coal mine
Americannoun
-
coal mines
plural
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of coal mine
First recorded in 1605–15
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Scientists compare the idea to a canary in a coal mine, because changes there may offer an efficient way to detect broader shifts in the climate regulating circulation.
From Science Daily ● Sep. 23, 2026
At some point between the blacksmithery heat, second loaf of cinnamon bread and feeling my soul leave my body aboard a haunted coal mine coaster, it hit me that this simply will never happen again.
From Los Angeles Times ● Aug. 26, 2026
With public financing, they developed a pilot program to collect the runoff at a retired coal mine in Mount Storm.
From Barron's ● Aug. 22, 2026
The blaze, which killed 28 people, comes shortly after similar incidents at a coal mine and another at a fireworks factory.
From The Wall Street Journal ● Jul. 14, 2026
Shin entered his first coal mine at the age of ten.
From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.